and this is the crux of why we care: extended operators do not make sense with an ordered OR. if | isn’t commutative, then boolean algebra falls apart. A & B is supposed to equal B & A. ~~A is supposed to equal A. these identities rely on | being true union, not “try left first”. so if you want & and ~ to work correctly, you need commutative semantics. it’s not a style choice, it’s a mathematical necessity. and surprisingly also a reason for our amazing benchmark results - leftmost-longest lets you simplify your regexes without changing the matches, which i will elaborate on in another post, but for now just take my word for it that this is a huge deal for performance.
Because I was young then, right?
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Of course, because it's a Roku TV, you can expect all the latest and greatest Roku features without having to hook up any extra boxes or dongles. That includes hands-free voice commands to help you find your favorite shows without lifting a finger, and a handy button on the screen that beeps the remote in case you lost it between the couch cushions. The interface is snappy and easy to explore, so nothing will stand between you and movie night.，推荐阅读体育直播获取更多信息
If we would think of the invisible walls in Bobs world as actual walls, say by a street lamp, we would get the following picture: